Definition A number of procedures that are performed in dentistry may cause bleeding. Under normal circumstances, these procedures can be performed with little clinical risk; however, in patients whose ability…

Definition Disorders of white blood cells (WBCs) in dental patients can substantially influence clinical decision making as well as the delivery of care because WBCs constitute the primary defense against…

Definition On June 5, 1981, when the Centers for Disease Control and Prevention (CDC) reported five cases of Pneumocystis carinii (now jiroveci ) pneumonia in young homosexual men in Los…

Definition Women’s health is altered by pregnancy and by diseases unique to female anatomy and physiology. This chapter focuses on common conditions of women that require recognition and management by…

Defintion Organ transplantation is an integral component of modern medicine that has transformed the management of a wide variety of pediatric and adult medical conditions, in many cases providing long-term…

Allergic diseases are a spectrum of clinical disorders that result from immunologic reactions to a noninfectious foreign substance (antigen) in a sensitized host. Allergic reactions affect multiple organ systems by…

Definition Diabetes mellitus is a group of metabolic diseases characterized by high blood glucose levels (hyperglycemia) and the inability to produce and/or use insulin. The disease is defined by abnormal…